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ping java.sun.com......

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Operating Systems Solaris ping java.sun.com......
# 15  
Old 08-01-2011
Basic DNS client machine setup is always something like the UNIX /etc/resolv.conf to tell a host it's name servers (2 usually), plus possibly host name and domain and more: Man Page for RESOLV.CONF (All Section 5) - The UNIX and Linux Forums

This may be set by DHCP for dynamic clients. DNS clients send queries to one of their DNS servers, asking for recursion so the answer they get is either none-such or one or more answers, for the code calls gethostbyname() and reverse address getostbyaddr() (for validation of its clients -- a host may be a DNS client but an email server, for instance, and email SMTP servers do reverse lookup on each connection to 25, the value you see in mail headers in parens).

The configuration of DNS Servers and the structuring of domains to be served is a bigger topic. Most likely, your DNS servers are OK, or others would be complaining.
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LEARN ABOUT DEBIAN

ocf_pacemaker_ping

OCF_PACEMAKER_PING(7)					      Pacemaker Configuration					     OCF_PACEMAKER_PING(7)

NAME

       ocf_pacemaker_ping - node connectivity

SYNOPSIS

       [OCF_RESKEY_pidfile=string] [OCF_RESKEY_dampen=integer] [OCF_RESKEY_name=string] [OCF_RESKEY_multiplier=integer]
       [OCF_RESKEY_host_list=string] [OCF_RESKEY_attempts=integer] [OCF_RESKEY_timeout=integer] [OCF_RESKEY_options=string]
       [OCF_RESKEY_debug=string]

       ping [start | stop | reload | monitor | meta-data | validate-all]

DESCRIPTION

       Every time the monitor action is run, this resource agent records (in the CIB) the current number of ping nodes the host can connect to. It
       is essentially the same as pingd except that it uses the system ping tool to obtain the results.

SUPPORTED PARAMETERS

       OCF_RESKEY_pidfile = string [/ping-]
	   PID file

       OCF_RESKEY_dampen = integer [5s]
	   Dampening interval

	   The time to wait (dampening) further changes occur

       OCF_RESKEY_name = string [pingd]
	   Attribute name

	   The name of the attributes to set. This is the name to be used in the constraints.

       OCF_RESKEY_multiplier = integer []
	   Value multiplier

	   The number by which to multiply the number of connected ping nodes by

       OCF_RESKEY_host_list = string []
	   Host list

	   The list of ping nodes to count.

       OCF_RESKEY_attempts = integer [2]
	   no. of ping attempts

	   Number of ping attempts, per host, before declaring it dead

       OCF_RESKEY_timeout = integer [2]
	   ping timeout in seconds

	   How long, in seconds, to wait before declaring a ping lost

       OCF_RESKEY_options = string []
	   Extra Options

	   A catch all for any other options that need to be passed to ping.

       OCF_RESKEY_debug = string [false]
	   Verbose logging

	   Enables to use default attrd_updater verbose logging on every call.

AUTHOR

       Andrew Beekhof <andrew@beekhof.net>
	   Author.

Pacemaker Configuration 					    04/17/2012						     OCF_PACEMAKER_PING(7)